Restore flow rates in your AutoFlow Gravity Filter by replacing a tired, worn cartridge with fresh, new Hollow Fiber media. . . . Effective against bacteria: Yes. . Effective against particulate: Yes. . Effective against protozoa: Yes. . Effective against viruses: Yes. . Filter media: Hollow Fiber. . Filter pore size (microns): 0.2. . Flow (L/min): 1.75 liters per min. . Field cleanable: Yes. . Field maintainable: Yes. . Made in the U.S.A. of U.S. and Imported Materials. . . . ?. . WARNING Can expose you to styrene, which is known to the State of California to cause cancer. P65Warnings.ca.gov
